official secret

劍橋詞典

a piece of information that is known only by the government and its employees
國(guó)家機(jī)密，官方機(jī)密
She was accused of leaking (= telling ) official secrets to the newspapers . 她被指控把國(guó)家機(jī)密泄露給報(bào)界。 返回 official secret